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wqMerge remote-tracking branch 'origin/develop' into develop-oriecpriupdates

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This commit is contained in:
Raymond Knopp
2020-10-26 19:58:25 +01:00
parent 7994fc2703 97ae4300f7
commit 6c414a80d4
981 changed files with 143173 additions and 56205 deletions
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targets/ARCH/COMMON/common_lib.c
+49 -59
View File
@@ -37,53 +37,27 @@
#include <stdlib.h>
#include "common_lib.h"
#include "assertions.h"
#include "common/utils/load_module_shlib.h"
#include "common/utils/LOG/log.h"
#include "targets/RT/USER/lte-softmodem.h"
char *get_devname(int devtype) {
char *devnames[MAX_RF_DEV_TYPE]=DEVTYPE_NAMES;
if (devtype < MAX_RF_DEV_TYPE && devtype !=MIN_RF_DEV_TYPE )
return devnames[devtype];
return "none";
}
int set_device(openair0_device *device)
{
switch (device->type) {
case EXMIMO_DEV:
LOG_I(HW,"[%s] has loaded EXPRESS MIMO device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case USRP_B200_DEV:
LOG_I(HW,"[%s] has loaded USRP B200 device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case USRP_X300_DEV:
LOG_I(HW,"[%s] has loaded USRP X300 device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case BLADERF_DEV:
LOG_I(HW,"[%s] has loaded BLADERF device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case LMSSDR_DEV:
LOG_I(HW,"[%s] has loaded LMSSDR device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case IRIS_DEV:
LOG_I(HW,"[%s] has loaded Iris device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case ADRV9371_ZC706_DEV:
LOG_I(HW,"[%s] has loaded ADRV9371_ZC706 device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case UEDv2_DEV:
LOG_I(HW,"[%s] has loaded UEDv2 device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
case NONE_DEV:
LOG_I(HW,"[%s] has not loaded a HW device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
break;
default:
char *devname = get_devname(device->type);
if (strcmp(devname,"none") != 0) {
LOG_I(HW,"[%s] has loaded %s device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"),devname);
} else {
LOG_E(HW,"[%s] invalid HW device.\n",((device->host_type == RAU_HOST) ? "RAU": "RRU"));
return -1;
}
}
return 0;
}
@@ -108,7 +82,7 @@ int set_transport(openair0_device *device)
}
typedef int(*devfunc_t)(openair0_device *, openair0_config_t *, eth_params_t *);
//loader_shlibfunc_t shlib_fdesc[2];
/* look for the interface library and load it */
int load_lib(openair0_device *device,
@@ -118,31 +92,47 @@ int load_lib(openair0_device *device,
{
loader_shlibfunc_t shlib_fdesc[1];
int ret=0;
char *libname;
if ( IS_SOFTMODEM_BASICSIM ) {
libname=OAI_BASICSIM_LIBNAME;
char *deflibname=OAI_RF_LIBNAME;
openair0_cfg->recplay_mode = read_recplayconfig(&(openair0_cfg->recplay_conf),&(device->recplay_state));
if ( openair0_cfg->recplay_mode == RECPLAY_REPLAYMODE ) {
deflibname=OAI_IQPLAYER_LIBNAME;
shlib_fdesc[0].fname="device_init";
set_softmodem_optmask(SOFTMODEM_RECPLAY_BIT); // softmodem has to know we use the iqplayer to workaround randomized algorithms
} else if ( IS_SOFTMODEM_BASICSIM ) {
deflibname=OAI_BASICSIM_LIBNAME;
shlib_fdesc[0].fname="device_init";
} else if (IS_SOFTMODEM_RFSIM && flag == RAU_LOCAL_RADIO_HEAD) {
deflibname=OAI_RFSIM_LIBNAME;
shlib_fdesc[0].fname="device_init";
} else if (flag == RAU_LOCAL_RADIO_HEAD) {
if (IS_SOFTMODEM_RFSIM)
libname="rfsimulator";
else
libname=OAI_RF_LIBNAME;
shlib_fdesc[0].fname="device_init";
} else if (flag == RAU_REMOTE_RADIO_HEAD) {
libname=OAI_TP_LIBNAME;
shlib_fdesc[0].fname="transport_init";
if (IS_SOFTMODEM_RFSIM)
deflibname="rfsimulator";
else
deflibname=OAI_RF_LIBNAME;
shlib_fdesc[0].fname="device_init";
} else if (flag == RAU_REMOTE_THIRDPARTY_RADIO_HEAD) {
libname=OAI_THIRDPARTY_TP_LIBNAME;
deflibname=OAI_THIRDPARTY_TP_LIBNAME;
shlib_fdesc[0].fname="transport_init";
}
ret=load_module_shlib(libname,shlib_fdesc,1,NULL);
if (ret < 0) {
LOG_E(HW,"Library %s couldn't be loaded\n",libname);
} else {
ret=((devfunc_t)shlib_fdesc[0].fptr)(device,openair0_cfg,cfg);
deflibname=OAI_TP_LIBNAME;
shlib_fdesc[0].fname="transport_init";
}
return ret;
char *devname=NULL;
paramdef_t device_params[]=DEVICE_PARAMS_DESC ;
int numparams = sizeof(device_params)/sizeof(paramdef_t);
int devname_pidx = config_paramidx_fromname(device_params,numparams, CONFIG_DEVICEOPT_NAME);
device_params[devname_pidx].defstrval=deflibname;
config_get(device_params,numparams,DEVICE_SECTION);
ret=load_module_shlib(devname,shlib_fdesc,1,NULL);
AssertFatal( (ret >= 0),
"Library %s couldn't be loaded\n",devname);
return ((devfunc_t)shlib_fdesc[0].fptr)(device,openair0_cfg,cfg);
}
targets/ARCH/COMMON/common_lib.h
+93 -17
View File
@@ -35,21 +35,36 @@
#include <stdint.h>
#include <sys/types.h>
#include <openair1/PHY/TOOLS/tools_defs.h>
#include "record_player.h"
/* name of shared library implementing the radio front end */
/* default name of shared library implementing the radio front end */
#define OAI_RF_LIBNAME "oai_device"
/* name of shared library implementing the transport */
#define OAI_TP_LIBNAME "oai_transpro"
<<<<<<< HEAD
/* name of shared library implementing a third-party transport */
#define OAI_THIRDPARTY_TP_LIBNAME "thirdparty_transpro"
/* name of shared library implementing the basic/rf simulator */
=======
/* name of shared library implementing the rf simulator */
>>>>>>> origin/develop
#define OAI_RFSIM_LIBNAME "rfsimulator"
/* name of shared library implementing the basic/rf simulator */
/* name of shared library implementing the basic simulator */
#define OAI_BASICSIM_LIBNAME "tcp_bridge_oai"
/* name of shared library implementing the iq player */
#define OAI_IQPLAYER_LIBNAME "oai_iqplayer"
/* flags for BBU to determine whether the attached radio head is local or remote */
#define RAU_LOCAL_RADIO_HEAD 0
#define RAU_REMOTE_RADIO_HEAD 1
<<<<<<< HEAD
#define RAU_REMOTE_THIRDPARTY_RADIO_HEAD 2
=======
#define MAX_WRITE_THREAD_PACKAGE 10
#define MAX_WRITE_THREAD_BUFFER_SIZE 8
>>>>>>> origin/develop
#ifndef MAX_CARDS
#define MAX_CARDS 8
#endif
@@ -67,13 +82,9 @@ typedef enum {
max_gain=0,med_gain,byp_gain
} rx_gain_t;
#if OCP_FRAMEWORK
#include <enums.h>
#else
typedef enum {
duplex_mode_TDD=1,duplex_mode_FDD=0
} duplex_mode_t;
#endif
/** @addtogroup _GENERIC_PHY_RF_INTERFACE_
@@ -89,6 +100,8 @@ typedef enum {
USRP_B200_DEV,
/*!\brief device is USRP X300/X310*/
USRP_X300_DEV,
/*!\brief device is USRP N300/N310*/
USRP_N300_DEV,
/*!\brief device is BLADE RF*/
BLADERF_DEV,
/*!\brief device is LMSSDR (SoDeRa)*/
@@ -103,7 +116,7 @@ typedef enum {
UEDv2_DEV,
MAX_RF_DEV_TYPE
} dev_type_t;
#define DEVTYPE_NAMES {"","EXMIMO","USRP B200","USRP X300","USRP N300","BLADERF","LMSSDR","IRIS","No HW","ADRV9371_ZC706","UEDv2"}
/*!\brief transport protocol types
*/
typedef enum {
@@ -147,6 +160,7 @@ typedef enum {
gpsdo=2
} clock_source_t;
/*! \brief RF frontend parameters set by application */
typedef struct {
//! Module ID for this configuration
@@ -221,15 +235,9 @@ typedef struct {
char *my_addr;
//! local port number for Ethernet interface (eNB/BBU, UE)
unsigned int my_port;
#if defined(USRP_REC_PLAY)
unsigned short sf_mode; // 1=record, 2=replay
char sf_filename[1024]; // subframes file path
unsigned int sf_max; // max number of recorded subframes
unsigned int sf_loops; // number of loops in replay mode
unsigned int sf_read_delay; // read delay in replay mode
unsigned int sf_write_delay; // write delay in replay mode
unsigned int eth_mtu; // ethernet MTU
#endif
//! record player configuration, definition in record_player.h
uint32_t recplay_mode;
recplay_conf_t *recplay_conf;
//! number of samples per tti
unsigned int samples_per_tti;
//! the sample rate for receive.
@@ -278,8 +286,37 @@ typedef struct {
void *rx;
} if_buffer_t;
typedef struct {
openair0_timestamp timestamp;
void *buff[MAX_WRITE_THREAD_BUFFER_SIZE];// buffer to be write;
int nsamps;
int cc;
signed char first_packet;
signed char last_packet;
int flags_msb;
} openair0_write_package_t;
typedef struct {
openair0_write_package_t write_package[MAX_WRITE_THREAD_PACKAGE];
int start;
int end;
/// \internal This variable is protected by \ref mutex_write
int count_write;
/// pthread struct for trx write thread
pthread_t pthread_write;
/// pthread attributes for trx write thread
pthread_attr_t attr_write;
/// condition varible for trx write thread
pthread_cond_t cond_write;
/// mutex for trx write thread
pthread_mutex_t mutex_write;
} openair0_thread_t;
/*!\brief structure holds the parameters to configure USRP devices */
struct openair0_device_t {
/*!tx write thread*/
openair0_thread_t write_thread;
/*!brief Module ID of this device */
int Mod_id;
@@ -300,7 +337,8 @@ struct openair0_device_t {
/* !brief ETH params set by application */
eth_params_t *eth_params;
//! record player data, definition in record_player.h
recplay_state_t *recplay_state;
/* !brief Indicates if device already initialized */
int is_init;
@@ -427,6 +465,7 @@ struct openair0_device_t {
*/
void (*configure_rru)(int idx, void *arg);
<<<<<<< HEAD
/*! \brief Pointer to generic RRU private information
*/
@@ -446,6 +485,18 @@ struct openair0_device_t {
*/
int (*thirdparty_startstreaming)(openair0_device *device);
=======
/*! \brief RRU Configuration callback
* \param idx RU index
* \param arg pointer to capabilities or configuration
*/
int (*trx_write_init)(openair0_device *device);
/* \brief Get internal parameter
* \param id parameter to get
* \return a pointer to the parameter
*/
void *(*get_internal_parameter)(char *id);
>>>>>>> origin/develop
};
/* type of device init function, implemented in shared lib */
@@ -489,11 +540,31 @@ typedef struct {
#define OPTION_LZ4 0x00000001 // LZ4 compression (option_value is set to compressed size)
#ifdef __cplusplus
extern "C"
{
#endif
#define DEVICE_SECTION "device"
#define CONFIG_HLP_DEVICE "Identifies the oai device (the interface to RF) to use, the shared lib \"lib_<name>.so\" will be loaded"
#define CONFIG_DEVICEOPT_NAME "name"
/* inclusion for device configuration */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* config parameters for oai device */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define DEVICE_PARAMS_DESC {\
{ CONFIG_DEVICEOPT_NAME, CONFIG_HLP_DEVICE, 0, strptr:&devname, defstrval:NULL, TYPE_STRING, 0}\
}
/*! \brief get device name from device type */
char *get_devname(int devtype);
/*! \brief Initialize openair RF target. It returns 0 if OK */
int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg);
/*! \brief Initialize transport protocol . It returns 0 if OK */
@@ -511,6 +582,11 @@ openair0_timestamp get_usrp_time(openair0_device *device);
* \returns 0 in success
*/
int openair0_set_rx_frequencies(openair0_device *device, openair0_config_t *openair0_cfg);
/*! \brief read the iq record/player configuration */
extern int read_recplayconfig(recplay_conf_t **recplay_conf, recplay_state_t **recplay_state);
/*! \brief store recorded iqs from memory to file. */
extern void iqrecorder_end(openair0_device *device);
#define gettid() syscall(__NR_gettid)
/*@}*/
targets/ARCH/COMMON/record_player.c
+115
View File
@@ -0,0 +1,115 @@
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/** record_player.c
*
* \author: Nokia bellLabs B. Mongazon F. Taburet
*
*/
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/sysinfo.h>
#include <sys/resource.h>
#include "common/utils/LOG/log.h"
#include "assertions.h"
#include "common_lib.h"
#include "record_player.h"
/*! \brief read the oai recorder or player configuration, called from common device code
* \param recplay_conf: store parameters
* recplay_state: store recorder or player data while the device runs
*/
int read_recplayconfig(recplay_conf_t **recplay_conf, recplay_state_t **recplay_state) {
unsigned int u_sf_record = 0; // record mode
unsigned int u_sf_replay = 0; // replay mode
*recplay_conf = calloc(sizeof(recplay_conf_t),1);
paramdef_t device_recplay_params[]=DEVICE_RECPLAY_PARAMS_DESC ;
config_get(device_recplay_params,sizeof(device_recplay_params)/sizeof(paramdef_t),DEVICE_RECPLAY_SECTION);
if (u_sf_record || u_sf_replay ) {
struct sysinfo systeminfo;
*recplay_state = calloc(sizeof(recplay_state_t),1);
if ( *recplay_state == NULL) {
LOG_E(HW,"calloc error in %s\n", __FILE__);
return -1;
}
// Use mmap for IQ files for systems with less than 6GB total RAM
sysinfo(&systeminfo);
if (systeminfo.totalram < 6144000000) {
(*recplay_state)->use_mmap = 0;
} else {
(*recplay_state)->use_mmap = 1;
}
} else { /* record player enabled */
free(*recplay_conf);
*recplay_conf=NULL;
}
if (u_sf_replay == 1) return RECPLAY_REPLAYMODE;
else if (u_sf_record == 1) return RECPLAY_RECORDMODE;
return 0;
}
/*! \brief Terminate operation of the oai iq recorder. to be called by any device
* used in record mode
* \param device, the hardware used
*/
void iqrecorder_end(openair0_device *device) {
if (device->recplay_state != NULL) { // subframes store
iqfile_header_t fh = {device->type,device->openair0_cfg->tx_sample_advance, device->openair0_cfg->rx_bw,OAIIQFILE_ID};
recplay_state_t *rs = device->recplay_state;
recplay_conf_t *rc = device->openair0_cfg[0].recplay_conf;
rs->pFile = fopen (rc->u_sf_filename,"wb+");
if (rs->pFile == NULL) {
LOG_E(HW,"Cannot open %s\n", rc->u_sf_filename);
} else {
unsigned int i = 0;
unsigned int modu = 0;
if ((modu = rs->nb_samples % 10) != 0) {
rs->nb_samples -= modu; // store entire number of frames
}
LOG_I(HW,"Writing file header to %s \n", rc->u_sf_filename );
fwrite(&fh, sizeof(fh), 1, rs->pFile);
LOG_UI(HW,"Writing %u subframes to %s \n",rs->nb_samples, rc->u_sf_filename );
for (i = 0; i < rs->nb_samples; i++) {
fwrite(rs->ms_sample+i, sizeof(unsigned char), sizeof(iqrec_t), rs->pFile);
}
fclose (rs->pFile);
LOG_UI(HW,"File %s closed\n",rc->u_sf_filename );
}
if (rs->ms_sample != NULL) {
free((void *)rs->ms_sample);
rs->ms_sample = NULL;
}
}
}
targets/ARCH/COMMON/record_player.h
+129
View File
@@ -0,0 +1,129 @@
#ifndef __RECORD_PLAYER_H
#define __RECORD_PLAYER_H
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/** targets/ARCH/COMMON/record-player.h
*
* \author: bruno.mongazon-cazavet@nokia-bell-labs.com
*/
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "common/config/config_paramdesc.h"
#include "common/config/config_userapi.h"
#ifdef __cplusplus
extern "C"
{
#endif
/* inclusions for record player */
#define RECPLAY_DISABLED 0
#define RECPLAY_RECORDMODE 1
#define RECPLAY_REPLAYMODE 2
#define BELL_LABS_IQ_HEADER 0xabababababababab
#define BELL_LABS_IQ_PER_SF 7680 // Up to 5MHz bw for now
#define BELL_LABS_IQ_BYTES_PER_SF (BELL_LABS_IQ_PER_SF * 4)
#define OAIIQFILE_ID "OIQF"
typedef struct {
uint64_t devtype;
uint64_t tx_sample_advance;
double bw;
char oaiid[4];
} iqfile_header_t;
typedef struct {
int64_t header;
int64_t ts;
int64_t rfu1;
int64_t rfu2; // pad for 256 bits alignement required by AVX2
unsigned char samples[BELL_LABS_IQ_BYTES_PER_SF]; // iq's for one subframe
} iqrec_t;
#define DEF_NB_SF 120000 // default nb of sf or ms to capture (2 minutes at 5MHz)
#define DEF_SF_FILE "/tmp/iqfile" // default subframes file name
#define DEF_SF_DELAY_READ 700 // default read delay µs (860=real)
#define DEF_SF_DELAY_WRITE 15 // default write delay µs (15=real)
#define DEF_SF_NB_LOOP 5 // default nb loops
/* help strings definition for config options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
#define CONFIG_HLP_SF_FILE "Path of the file used for subframes record or replay"
#define CONFIG_HLP_SF_REC "Record subframes from device driver into a file for later replay"
#define CONFIG_HLP_SF_REP "Replay subframes from a file using the oai replay driver"
#define CONFIG_HLP_SF_MAX "Maximum count of subframes to be recorded in subframe file"
#define CONFIG_HLP_SF_LOOPS "Number of loops to replay of the entire subframes file"
#define CONFIG_HLP_SF_RDELAY "Delay in microseconds to read a subframe in replay mode"
#define CONFIG_HLP_SF_WDELAY "Delay in microseconds to write a subframe in replay mode"
/* keyword strings for config options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
#define CONFIG_OPT_SF_FILE "subframes-file"
#define CONFIG_OPT_SF_REC "subframes-record"
#define CONFIG_OPT_SF_REP "subframes-replay"
#define CONFIG_OPT_SF_MAX "subframes-max"
#define CONFIG_OPT_SF_LOOPS "subframes-loops"
#define CONFIG_OPT_SF_RDELAY "subframes-read-delay"
#define CONFIG_OPT_SF_WDELAY "subframes-write-delay"
#define DEVICE_RECPLAY_SECTION "device.recplay"
/* For information only - the macro is not usable in C++ */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* command line parameters for USRP record/playback */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define DEVICE_RECPLAY_PARAMS_DESC { \
{CONFIG_OPT_SF_FILE, CONFIG_HLP_SF_FILE, 0, strptr:(char **)((*recplay_conf)->u_sf_filename), defstrval:DEF_SF_FILE, TYPE_STRING, 1024}, \
{CONFIG_OPT_SF_REC, CONFIG_HLP_SF_REC, PARAMFLAG_BOOL, uptr:&(u_sf_record), defuintval:0, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_REP, CONFIG_HLP_SF_REP, PARAMFLAG_BOOL, uptr:&(u_sf_replay), defuintval:0, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_MAX, CONFIG_HLP_SF_MAX, 0, uptr:&((*recplay_conf)->u_sf_max), defintval:DEF_NB_SF, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_LOOPS, CONFIG_HLP_SF_LOOPS, 0, uptr:&((*recplay_conf)->u_sf_loops), defintval:DEF_SF_NB_LOOP, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_RDELAY, CONFIG_HLP_SF_RDELAY, 0, uptr:&((*recplay_conf)->u_sf_read_delay), defintval:DEF_SF_DELAY_READ, TYPE_UINT, 0}, \
{CONFIG_OPT_SF_WDELAY, CONFIG_HLP_SF_WDELAY, 0, uptr:&((*recplay_conf)->u_sf_write_delay), defintval:DEF_SF_DELAY_WRITE, TYPE_UINT, 0}, \
}/*! \brief Record Player Configuration and state */
typedef struct {
char u_sf_filename[1024]; // subframes file path
unsigned int u_sf_max ; // max number of recorded subframes
unsigned int u_sf_loops ; // number of loops in replay mode
unsigned int u_sf_read_delay; // read delay in replay mode
unsigned int u_sf_write_delay ; // write delay in replay mode
} recplay_conf_t;
typedef struct {
int use_mmap; // default is to use mmap
size_t mapsize;
FILE *pFile;
int mmapfd;
int iqfd;
iqrec_t *ms_sample; // memory for all subframes
unsigned int nb_samples;
} recplay_state_t;
#ifdef __cplusplus
}
#endif
#endif // __RECORD_PLAYER_H